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How-to

Short answers to one job at a time.

How-to11 min read

How to Generate Images with a URL-Based API

Learn how to send an authenticated image-generation request, handle base64 image data, and save the result—without mistaking an API endpoint for a prompt-in-a-URL interface.

How-to8 min read

How to Set Image Resolution in DPI

Change an image’s print resolution without changing its pixels, or resample it to meet a target size. Learn the Photoshop and GIMP steps and the math behind them.

How-to9 min read

How to Fix an SSLError in Python Requests

Fix Python Requests SSLError errors by identifying the certificate, hostname, CA, proxy, or client-certificate problem and applying the right secure remedy.

How-to10 min read

How to Capture Website Screenshots with Web Fonts

Wait for the page’s used web fonts and relevant content to finish loading before capture. Here are runnable Playwright and Puppeteer examples, troubleshooting steps, and ways to make screenshots repeatable.